CN108559675A - A kind of soluble chemical wax ball clearing and preparation method thereof and application method - Google Patents
A kind of soluble chemical wax ball clearing and preparation method thereof and application method Download PDFInfo
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- CN108559675A CN108559675A CN201810402667.2A CN201810402667A CN108559675A CN 108559675 A CN108559675 A CN 108559675A CN 201810402667 A CN201810402667 A CN 201810402667A CN 108559675 A CN108559675 A CN 108559675A
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- parts
- ball clearing
- wax ball
- wax
- soluble chemical
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- 239000000126 substance Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004094 surface-active agent Substances 0.000 claims abstract description 21
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 13
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000002562 thickening agent Substances 0.000 claims abstract description 10
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 8
- 235000019830 sodium polyphosphate Nutrition 0.000 claims abstract description 8
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 7
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims abstract description 5
- VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 claims abstract description 4
- BTURAGWYSMTVOW-UHFFFAOYSA-M sodium dodecanoate Chemical compound [Na+].CCCCCCCCCCCC([O-])=O BTURAGWYSMTVOW-UHFFFAOYSA-M 0.000 claims abstract description 4
- 229940082004 sodium laurate Drugs 0.000 claims abstract description 4
- HOWGUJZVBDQJKV-UHFFFAOYSA-N docosane Chemical compound CCCCCCCCCCCCCCCCCCCCCC HOWGUJZVBDQJKV-UHFFFAOYSA-N 0.000 claims description 22
- 239000003208 petroleum Substances 0.000 claims description 16
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 10
- 229960001484 edetic acid Drugs 0.000 claims description 9
- 125000005211 alkyl trimethyl ammonium group Chemical group 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 235000019270 ammonium chloride Nutrition 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 claims 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 1
- 229940038384 octadecane Drugs 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- AISMNBXOJRHCIA-UHFFFAOYSA-N trimethylazanium;bromide Chemical compound Br.CN(C)C AISMNBXOJRHCIA-UHFFFAOYSA-N 0.000 claims 1
- 239000001993 wax Substances 0.000 abstract description 101
- 239000012188 paraffin wax Substances 0.000 abstract description 26
- 239000010779 crude oil Substances 0.000 abstract description 25
- 230000008021 deposition Effects 0.000 abstract description 12
- 239000002994 raw material Substances 0.000 abstract description 11
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003112 inhibitor Substances 0.000 abstract description 7
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 abstract description 7
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 10
- 239000002904 solvent Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012943 hotmelt Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WWSNLNXXISONLQ-UHFFFAOYSA-N C(CCCCCCCCCCCCCCC)Cl(C)(C)C Chemical compound C(CCCCCCCCCCCCCCC)Cl(C)(C)C WWSNLNXXISONLQ-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000004169 Hydrogenated Poly-1-Decene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000019383 crystalline wax Nutrition 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
- C11D10/047—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap based on cationic surface-active compounds and soap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/20—Industrial or commercial equipment, e.g. reactors, tubes or engines
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Medicinal Preparation (AREA)
- Cosmetics (AREA)
- Detergent Compositions (AREA)
Abstract
A kind of soluble chemical wax ball clearing of present invention offer and preparation method thereof and application method, the soluble chemical wax ball clearing, including following raw material：60 104 parts of surfactant, 7 27 parts of thickener；Surfactant is one or more of odium stearate, hexadecyltrimethylammonium chloride, cetyl trimethylammonium bromide, sodium laurate, octadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide；Thickener includes：2 10 parts of sodium carboxymethylcellulose, 2 10 parts of polyacrylamide, 27 parts of sodium polyphosphate.Raw material is proportionally added in absolute ethyl alcohol, is stirred evenly, is adopted and be molded with a mold, it is dry, obtain soluble chemical wax ball clearing.Adding for wax ball clearing is carried out according to length of pipeline and wax deposition situation etc..Paraffin removing with chemical method ball of the present invention has the double action of physics wax removal and paraffin control with inhibitor, can solve the problems, such as wax deposit in carried of crude oil pipeline.
Description
Technical field
The invention belongs to technical field of petroleum extraction, it is related to a kind of soluble chemical wax ball clearing and preparation method thereof and uses
Method.
Background technology
Crude oil is a kind of typical waxy crude oil, and wax deposition is serious, this is easy for causing oil well wax card, disconnected bar, or even is formed
" well of lying ".Cost for oil production is caused to rise, subsequent processing problem increases.In conclusion paraffin deposit is asked during oil recovery sum aggregate is defeated
Topic seriously affects always the links of Petroleum Production and processing, in oil-gas reservoir reservoir, winning apparatus, gathering line and processing
Can all occur paraffin deposit phenomenon in equipment.In recent years, as the exploration of oil and natural gas, exploitation and PETROLEUM PROCESSING are to depth
The rapid development in direction studies and solves the problems, such as that the urgency of paraffin deposit and importance are further prominent.Waxy crude oil is efficiently adopted
Go out and the theory and technology of safety, economic conveying be always crude oil in China exploitation, the development of Oil ＆ Gas Storage field one of direction,
It is also got growing concern in international academic community and engineering technological.
Field application most wide, most popular still paraffin removing with chemical method method and physics wax removal, wherein Changqing oilfields use at present
The method of physics wax removal, principle are exactly to be collided in the duct with the deposition wax of inner wall of the pipe using ball, it is made to fall off, from
And achieve the effect that wax removal.But carried of crude oil pipeline there may be deformation during carried of crude oil, lead to ball not
It can pass through, so as to cause carried of crude oil line clogging.
The use of solvent type paraffin remover in recent years is common method：Water base paraffin remover, oil-base paraffin remover, emulsion-type wax removal
Agent.But solvent type paraffin remover has using disadvantage, solvent toxicity is big in oil-base paraffin remover, inflammable, explosive, easily diluted by crude oil,
Thus it is restricted its application.For water base paraffin remover based on surfactant, but since surfactant price is high, use is dense
Degree is big, is easily diluted by crude oil, and wax removal efficiency is low.Emulsion-type paraffin remover remains the wax removal effect of organic solvent and surfactant
Fruit, but fail to overcome and the higher disadvantage of larger organic solvent usage amount is poisoned to human body.
Invention content
For problems of the prior art, the present invention provide a kind of soluble chemical wax ball clearing and preparation method thereof and
Application method, paraffin removing with chemical method ball have the double action of physics wax removal and paraffin control with inhibitor, can solve wax in carried of crude oil pipeline
Deposition problems.
The present invention is to be achieved through the following technical solutions：
A kind of soluble chemical wax ball clearing, is solid forms, in parts by weight, including following raw material：It lives on surface
60-104 parts of agent of property, 7-27 parts of thickener.
Preferably, surfactant is odium stearate, hexadecyltrimethylammonium chloride, cetyl trimethyl bromination
One or more of ammonium, sodium laurate, octadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide.
Preferably, surfactant includes：45-80 parts of odium stearate, 8-12 parts of hexadecyltrimethylammonium chloride, 16
7-12 parts of alkyl trimethyl ammonium bromide.
Preferably, thickener includes：2-10 parts of sodium carboxymethylcellulose, 2-10 parts of polyacrylamide, sodium polyphosphate 2-7
Part.
Preferably, further include 1-10 parts of n-docosane.
Preferably, further include 3-8 parts of ethylenediamine tetra-acetic acid.
A kind of preparation method of the soluble chemical wax ball clearing, raw material is proportionally added in absolute ethyl alcohol, stirring
Uniformly, it adopts and is molded with a mold, it is dry, obtain soluble chemical wax ball clearing.
Preferably, drying temperature is 80-100 DEG C, drying time 36-48h.
A kind of application method of the soluble chemical wax ball clearing, length are less than the petroleum pipeline of 5km, monthly add wax removal
Ball 2~4 times, adds 2~3 pieces every time；
Length monthly adds wax ball clearing 3~5 times in the petroleum pipeline of 5km~10km, adds 3~4 pieces every time；
Length is more than the petroleum pipeline of 10km, monthly adds wax ball clearing 3~5 times, adds 3~6 pieces every time；
Wherein, when adding wax ball clearing, the time interval that adjacent two pieces of wax ball clearings add is not less than 1~30min.
Preferably, the diameter of the wax ball clearing added is smaller 10~20mm than the internal diameter of petroleum pipeline.
Compared with prior art, the present invention has technique effect beneficial below：
Using surfactant and thickener as raw material the soak cleaning ball of solid forms is made, on the one hand, solid in the present invention
The wax ball clearing of form has certain mechanical strength, the pressure of 0.3MPa~0.5MPa can be born, to play physics wax removal
Effect；On the other hand, there is the surfactant in wax ball clearing certain solubility, surfactant to be dissolved in crude oil
In crude oil, lipophilic group is attached to wax surface, and hydrophilic group is contacted with crude oil, to form one layer of hydrophilic film on the surface of wax, prevents
The only deposition again of wax, to achieve the effect that wax control.Thickener therein can prevent surfactant in aqueous crude oil
In quickly dissolve, and lose physics wax removal effect.The wax ball clearing of the present invention lives surface unlike existing paraffin removing with chemical method agent
Property agent dissolving the paraffin remover of solution state is made in organic solvent, therefore poisonous and hazardous organic solvent, ring need not be used
Border is friendly, avoids polluting.The wax ball clearing of the present invention has the function of physics wax removal and paraffin control with inhibitor simultaneously, can preferably save into
This.
Further, n-docosane is added, the dissolubility of wax ball clearing can be increased, enable wax ball clearing at the appropriate speed
Dissolving, the surfactant of dissolving enter in crude oil, play the role of paraffin control with inhibitor.
Further, ethylenediamine tetra-acetic acid is chelating agent, and surfactant is enable adequately to be contacted with wax, and and second
Ethylenediamine tetraacetic acid (EDTA) forms stable chelate.
The present invention, by dissolution of raw material, is then adopted to be molded with a mold wax ball clearing is made using absolute ethyl alcohol, and method is simple, operation
It is easy, and toxic solvent need not be used, it is safe and non-toxic.Obtained wax ball clearing can play the role of physics wax removal and rise
To the effect of paraffin control with inhibitor.
The wax ball clearing addition method of the present invention, adding quantity can be adjusted according to on-site actual situations, according to pipeline
Length adjustment adds quantity, can also be adjusted according to line clogging situation, if line clogging is more serious, increases its throwing
Addend amount and add number；The straight of wax ball clearing can also be adjusted according to the pipeline of different-diameter, the different pipeline of wax deposition situation
The diameter of diameter, general wax ball clearing is smaller 10-20mm than pipeline internal diameter, for the serious pipeline of wax deposition, first adds the wax removal of minor diameter
Ball adds the wax ball clearing of major diameter, to reach best wax removal effect after so that it is removed a part of wax deposition of tube wall.
Description of the drawings
Fig. 1 is the solubility property figure of paraffin removing with chemical method ball of the present invention.
Specific implementation mode
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of soluble chemical wax ball clearing, in terms of parts by weight, including the following raw material：60-104 parts of surfactant,
7-27 parts of thickener；Surfactant be odium stearate, hexadecyltrimethylammonium chloride, cetyl trimethylammonium bromide,
One or more of sodium laurate, octadecyltrimethylammonium chloride, Cetyltrimethylammonium bromide.
In the preferred embodiment of the present invention, surfactant includes：45-80 parts of odium stearate, cetyl trimethyl chlorine
Change 8-12 parts of ammonium, 7-12 parts of cetyl trimethylammonium bromide；Thickener includes：2-10 parts of sodium carboxymethylcellulose, polypropylene
2-10 parts of amide, 2-7 parts of sodium polyphosphate.
Further include 1-10 parts of n-docosane, 3-8 parts of ethylenediamine tetra-acetic acid in soluble chemical wax ball clearing.
Preparation method is as follows：
N-docosane is dissolved by heating at 46~70 DEG C, odium stearate is dissolved as solvent using absolute ethyl alcohol, by it
His drug, which is proportionally uniformly mixed, to be also added in above-mentioned absolute ethyl alcohol, is stirred for uniformly, being added to positive the 22 of hot melt
It in alkane, is sufficiently stirred, is molded using ball-type rubber mold, then puts it into baking oven and be dried at 80-100 DEG C, the time is
48-36h obtains soluble chemical wax ball clearing.
The dosage of wax ball clearing of the present invention can be adjusted according to on-site actual situations, and specifically used method is as follows：
1, quantity is added according to petroleum pipeline length adjustment：
(1) wax ball clearing is monthly adding wax ball clearing 3~4 times for length using process in 5km~10km petroleum pipelines,
Add 3~5 pieces every time；Adjacent two pieces of wax ball clearings add interval time not less than 1-30min, can not continuously be thrown without time interval
Add.
(2) length is more than that the petroleum pipeline of 10km monthly adds wax ball clearing 3~6 times, adds 3~5 pieces every time, wax ball clearing is thrown
Requirement is added to be same as above.
(3) petroleum pipeline of the length less than 5km monthly adds wax ball clearing 1~2 time, adds 2~4 pieces every time；Add requirement
Ibid.
It adds regular as shown in table 1：
1 wax ball clearing of table adds rule
| Length of pipeline/m | Add quantity/ | Add number/moon |
| <5km | 2~4 | 1~2 |
| 5km~10km | 3~5 | 3~4 |
| >10km | 3~5 | 3~6 |
2, it is adjusted according to line clogging situation, if line clogging is more serious, increases it and add quantity and add secondary
Number.
3, wax ball clearing can adjust the diameter of wax ball clearing according to the pipeline of different-diameter, the different pipeline of wax deposition situation, adjust
It is whole as follows：
(1) diameter of wax ball clearing is smaller 10-20mm than pipeline internal diameter；
(2) for the serious pipeline of wax deposition, the wax ball clearing of minor diameter is first added, after so that it is removed a part of wax deposition of tube wall,
The wax ball clearing for adding major diameter, to reach best wax removal effect.
4, wax ball clearing of the invention can also be used cooperatively with rubber wax ball clearing.
Specific embodiment is as follows：
Embodiment 1
Raw material includes：80 parts of odium stearate, 2 parts of polyacrylamide, 3 parts of sodium polyphosphate, 1 part of ethylenediamine tetra-acetic acid, ten
Six 4 parts of alkyl trimethyl ammonium chlorides, 2 parts of sodium carboxymethylcellulose.
Drug is uniformly mixed according to the above ratio and is added in absolute ethyl alcohol, is stirred for uniformly, adopting and being molded with a mold, 80
DEG C dry 48h, obtains soluble chemical wax ball clearing.
Embodiment 2
Raw material includes：45 parts of odium stearate, 10 parts of polyacrylamide, 7 parts of sodium polyphosphate, 3 parts of ethylenediamine tetra-acetic acid, ten
Six 8 parts of alkyl trimethyl ammonium chlorides, 7 parts of cetyl trimethylammonium bromide, 10 parts of sodium carboxymethylcellulose, n-docosane 10
Part.
Preparation method is as follows：
N-docosane is dissolved by heating at 45 DEG C, other drugs is proportionally uniformly mixed, absolute ethyl alcohol is added, adopted
It uses absolute ethyl alcohol to dissolve odium stearate as solvent, is stirred for uniformly being added into the n-docosane of hot melt, fully stir
It mixes, uses internal diameter to be molded for the ball-type rubber mold of 45mm, put it into baking oven and be dried at 80 DEG C, time 48h is obtained
Soluble chemical wax ball clearing.
Embodiment 3
Raw material includes：60 parts of odium stearate, 3 parts of polyacrylamide, 2 parts of sodium polyphosphate, 8 parts of ethylenediamine tetra-acetic acid, ten
Six 12 parts of alkyl trimethyl ammonium chlorides, 12 parts of cetyl trimethylammonium bromide, 2 parts of sodium carboxymethylcellulose, n-docosane 1
Part.
Preparation method is as follows：
N-docosane is dissolved by heating at 70 DEG C, other drugs is proportionally uniformly mixed, absolute ethyl alcohol is added, adopted
It uses absolute ethyl alcohol to dissolve odium stearate as solvent, is stirred for uniformly being added into the n-docosane of hot melt, fully stir
It mixes, uses internal diameter to be molded for the ball-type rubber mold of 45mm, put it into baking oven and be dried at 100 DEG C, time 36h.
Embodiment 4
Raw material includes：53 parts of odium stearate, 6 parts of polyacrylamide, 5 parts of sodium polyphosphate, 5 parts of ethylenediamine tetra-acetic acid, ten
Six 10 parts of alkyl trimethyl ammonium chlorides, 10 parts of cetyl trimethylammonium bromide, 6 parts of sodium carboxymethylcellulose, n-docosane 5
Part.
N-docosane is dissolved by heating at 55 DEG C, other drugs is proportionally uniformly mixed, absolute ethyl alcohol is added, adopted
It uses absolute ethyl alcohol to dissolve odium stearate as solvent, is stirred for uniformly being added into the n-docosane of hot melt, fully stir
It mixes, uses internal diameter to be molded for the ball-type rubber mold of 45mm, put it into baking oven and be dried at 90 DEG C, time 35h.
The dissolubility of the wax ball clearing obtained to embodiment 1 and embodiment 2 tests, as seen from Figure 1 embodiment 2
Dissolubility is better than the solubility property of embodiment 1, due to containing n-docosane in embodiment 2, increases wax ball clearing in crude oil
Solubility.2 solubility property of embodiment that compares of embodiment 1 is poor, but can also be completely dissolved in 1km crude oil pipelines.
The wax ball clearing obtained to embodiment 2 and embodiment 3 has carried out wax removal experiment.Use length for 5m, interior in laboratory
The live petroleum pipeline of steel pipe simulation that diameter is 55mm, provides power to crude oil using pump, makes it have certain flow rate, first
Paraffin is soaked for a period of time using crude oil first, then it at 60 DEG C is dried to 48h, weighed, quality is denoted as W1, by its
It is attached to inner wall of the pipe, opens the switch of pump, makes its crude oil start to flow, wax ball clearing is then added in the duct, is gone out in pipeline
Receipts ball is carried out at mouthful, collects the crystalline wax removed, it is dried into 48h at 60 DEG C, is weighed, quality W2。
Wax removal rate=W2/W1× 100%
The results are shown in Table 2 for its experiment
2 wax ball clearing wax removal experimental result of table
| Embodiment | Wax removal rate |
| Embodiment 2 | 45% |
| Embodiment 3 | 50% |
The present invention prepares a kind of dual-purpose solid paraffin remover, there is two kinds of performances of paraffin control with inhibitor and physics wax removal, on the one hand,
Wax ball clearing has certain mechanical strength, the pressure of 0.3MPa~0.5MPa can be born, to play the role of physics wax removal；
On the other hand, there is the surfactant in wax ball clearing certain solubility, surfactant are dissolved in crude oil in crude oil,
Its lipophilic group is attached to wax surface, and hydrophilic group is contacted with crude oil, to form one layer of hydrophilic film on the surface of wax, prevents wax again
Secondary deposition, to achieve the effect that paraffin control with inhibitor.Applied to the wax removal wax control of crude oil pipeline, there is certain dissolving in the duct
Property, it is non-recycled type paraffin removing with chemical method ball, can effectively avoids the line clogging phenomenon caused by solid wax ball clearing, and should
Wax ball clearing be formulated Chinese medicine toxicity it is smaller, it is safe, pollution it is small, and can preferably it is cost-effective.
Claims (10)
1. a kind of soluble chemical wax ball clearing, which is characterized in that it is solid forms, in parts by weight, including following original
Material：60-104 parts of surfactant, 7-27 parts of thickener.
2. soluble chemical wax ball clearing according to claim 1, which is characterized in that surfactant is odium stearate, ten
Six alkyl trimethyl ammonium chlorides, cetyl trimethylammonium bromide, sodium laurate, octadecyltrimethylammonium chloride, octadecane
One or more of base trimethylammonium bromide.
3. soluble chemical wax ball clearing according to claim 1, which is characterized in that surfactant includes：Odium stearate
45-80 parts, 8-12 parts of hexadecyltrimethylammonium chloride, 7-12 parts of cetyl trimethylammonium bromide.
4. soluble chemical wax ball clearing according to claim 1, which is characterized in that thickener includes：Carboxymethyl cellulose
2-10 parts of sodium, 2-10 parts of polyacrylamide, 2-7 parts of sodium polyphosphate.
5. soluble chemical wax ball clearing according to claim 1, which is characterized in that further include 1-10 parts of n-docosane.
6. soluble chemical wax ball clearing according to claim 1, which is characterized in that further include 3-8 parts of ethylenediamine tetra-acetic acid.
7. the preparation method of the soluble chemical wax ball clearing described in a kind of any one of claim 1-6, which is characterized in that will be former
Material is proportionally added in absolute ethyl alcohol, stirs evenly, adopts and be molded with a mold, dry, obtains soluble chemical wax ball clearing.
8. the preparation method of soluble chemical wax ball clearing according to claim 7, which is characterized in that drying temperature 80-
100 DEG C, drying time 36-48h.
9. the application method of the soluble chemical wax ball clearing described in a kind of any one of claim 1-6, which is characterized in that length
Petroleum pipeline less than 5km, monthly adds wax ball clearing 1~2 time, adds 2~4 pieces every time；
Length monthly adds wax ball clearing 3~4 times in the petroleum pipeline of 5km~10km, adds 3~5 pieces every time；
Length is more than the petroleum pipeline of 10km, monthly adds wax ball clearing 3~6 times, adds 3~5 pieces every time；
Wherein, when adding wax ball clearing, the time interval that adjacent two pieces of wax ball clearings add is not less than 1~30min.
10. the application method of soluble chemical wax ball clearing according to claim 9, which is characterized in that the wax ball clearing added
Diameter it is smaller 10~20mm than the internal diameter of petroleum pipeline.
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| CN109762545A (en) * | 2019-02-27 | 2019-05-17 | 中国石油天然气股份有限公司长庆油田分公司第十二采油厂 | A kind of well wellbore deep play acting type Wax removing agent and preparation method thereof |
| CN109837077A (en) * | 2019-03-13 | 2019-06-04 | 西安石油大学 | A kind of rubber wax ball clearing supporting wax-proofing agent and preparation method thereof, preparation facilities and application |
| CN109868127A (en) * | 2019-03-13 | 2019-06-11 | 西安石油大学 | A kind of inline type paraffin removing with chemical method ball and its preparation method and application |
| CN109897734A (en) * | 2019-03-13 | 2019-06-18 | 西安石油大学 | A kind of slow-release paraffin removing with chemical method ball and its preparation method and application |
| CN109926407A (en) * | 2019-03-13 | 2019-06-25 | 西安石油大学 | A kind of non-recycled type paraffin removing with chemical method ball and its preparation method and application |
| CN111732943A (en) * | 2020-07-02 | 2020-10-02 | 西安石油大学 | Fixed-point self-heat-release paraffin removal ball and preparation process thereof |
| CN112662386A (en) * | 2020-12-23 | 2021-04-16 | 陕西日新石油化工有限公司 | Corrosion-inhibiting paraffin removal ball for oil pipeline of oil production plant and matched mould and manufacturing method thereof |
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| CN105441051A (en) * | 2014-08-28 | 2016-03-30 | 中国石油天然气股份有限公司 | Soluble anti-scaling and anti-wax ball |
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| CN109762545A (en) * | 2019-02-27 | 2019-05-17 | 中国石油天然气股份有限公司长庆油田分公司第十二采油厂 | A kind of well wellbore deep play acting type Wax removing agent and preparation method thereof |
| CN109762545B (en) * | 2019-02-27 | 2021-03-02 | 中国石油天然气股份有限公司长庆油田分公司第十二采油厂 | Oil well shaft deep-acting wax removing and preventing agent and preparation method thereof |
| CN109837077A (en) * | 2019-03-13 | 2019-06-04 | 西安石油大学 | A kind of rubber wax ball clearing supporting wax-proofing agent and preparation method thereof, preparation facilities and application |
| CN109868127A (en) * | 2019-03-13 | 2019-06-11 | 西安石油大学 | A kind of inline type paraffin removing with chemical method ball and its preparation method and application |
| CN109897734A (en) * | 2019-03-13 | 2019-06-18 | 西安石油大学 | A kind of slow-release paraffin removing with chemical method ball and its preparation method and application |
| CN109926407A (en) * | 2019-03-13 | 2019-06-25 | 西安石油大学 | A kind of non-recycled type paraffin removing with chemical method ball and its preparation method and application |
| CN109837077B (en) * | 2019-03-13 | 2021-02-19 | 西安石油大学 | Wax inhibitor-supported rubber paraffin removal ball and preparation method, preparation device and application thereof |
| CN109926407B (en) * | 2019-03-13 | 2021-09-24 | 西安石油大学 | Non-recovery type chemical paraffin removal ball and preparation method and application thereof |
| CN111732943A (en) * | 2020-07-02 | 2020-10-02 | 西安石油大学 | Fixed-point self-heat-release paraffin removal ball and preparation process thereof |
| CN111732943B (en) * | 2020-07-02 | 2022-07-29 | 西安石油大学 | Fixed-point self-heat-release paraffin removal ball and preparation process thereof |
| CN112662386A (en) * | 2020-12-23 | 2021-04-16 | 陕西日新石油化工有限公司 | Corrosion-inhibiting paraffin removal ball for oil pipeline of oil production plant and matched mould and manufacturing method thereof |
| CN112662386B (en) * | 2020-12-23 | 2022-04-05 | 陕西日新石油化工有限公司 | Corrosion-inhibiting paraffin removal ball for oil pipeline of oil production plant and matched mould and manufacturing method thereof |
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